... Features: 12-lead simultaneous standard resting ECG 7-inch TFT, touch screen, led backlight Digital isolation technology and signal processing solution ... parametersHR, P-R interval, P-Duration, QRS Duration, Q-T interval, Q-Tc,P Axis, QRS Axis, T Axis, R(V5 ... 15uVp-pDimension130mm x 74mm x 25mm (WxLxH)Net weight2.5kg Touch Screen Digital 6-channel Electrocardiograph with CE and ISO certificate ...